What on Earth... ? BBC2 - Thu 11th Dec 1986,

After the Star Trek episode, "All Our Yesterdays" From a Beta tape
When is a hair not a hair? Name a flower that mends broken hearts.
Name a vegetarian with carnivore teeth.
If you can answer these posers, you're on the way to beating this week's team of experts in Jeremy Cherfas 's wildlife quiz -
Sheila Anderson David Macdonald
Clive Catchpole , Peter Ferns Director SARA FORD
Producer JOHN DOBSON. BBC Bristol